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Finding the Fourth Proportional to 252,351.72, 348,269.76 and 188,578.80

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Solution

The fourth proportional to 252,351.72, 348,269.76 and 188,578.80 is: 260,256.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,351.72 : 348,269.76 = 188,578.80 : x
  2. Step 2: Convert to fraction form
    252,351.72/348,269.76 = 188,578.80/x
  3. Step 3: Cross multiply
    252,351.72x = 348,269.76 × 188,578.80
  4. Step 4: Simplify right side
    252,351.72x = 65,676,293,417.09
  5. Step 5: Solve for x
    x = 65,676,293,417.09/252,351.72
  6. Step 6: Final answer
    x = 260,256.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.